Doctor profile · Federal record

Dr. Allyson Underwood, FNP-BC

Family Nurse Practitioner (CMS: Nurse Practitioner) · Marietta, GA

  • NPI 1639302250
  • Accepts Medicare
  • MIPS 90.2 / 100 · 2023
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
700 Church St Ne
Marietta, GA 300607220
(770) 420-1690
fax (678) 337-7447

Credentials & registration

NPPES · NUCC
NPI registered
August 2009 — 17 yrs on file
Profile last updated
March 12, 2019
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Georgia #RN177114

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639302250. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
441
Distinct HCPCS
7
Medicare allowed
$39,377
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 294 183 $108
96372 Injection of drug or substance under skin or into muscle 32 26 $12
20610 Aspiration and/or injection of fluid from large joint 29 13 $59
J1030 Injection, methylprednisolone acetate, 40 mg 28 22 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 25 21 $76
99215 Established patient office or other outpatient visit, 40-54 minutes 21 16 $146
G0008 Administration of influenza virus vaccine 12 12 $31

In context: peer comparison

Among 38 peers in Marietta Family Nurse Practitioner, average services per provider: 85. This provider delivers 5.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,700
Transactions
78
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen INC. 14 $303.51
Abbvie INC. 10 $224.47
Janssen Biotech, INC. 12 $200.70
AstraZeneca Pharmaceuticals Lp 8 $187.44
Ucb, INC. 6 $122.85
GlaxoSmithKline, LLC. 6 $115.26
Aurinia Pharma U.S., INC. 3 $72.75
E.R. Squibb & Sons, L.L.C. 3 $72.04
Ani Pharmaceuticals, INC. 2 $57.87
Boehringer Ingelheim Pharmaceuticals, INC. 3 $55.88
Octapharma USA, INC. 3 $50.49
Radius Health, INC. 2 $47.17
Sobi, INC 2 $46.64
Mallinckrodt Hospital Products INC. 2 $45.11
Pfizer INC. 2 $34.64

By nature of payment

Food and Beverage
$1,681
Education
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,520
Patients
659
Total drug cost
$713,401
Drug Type Claims Patients Total cost
Hydroxychloroquine Sulfate Generic 276 127 $14,945
Prednisone Generic 267 133 $1,948
Methotrexate (Methotrexate Sodium) Brand 170 71 $4,630
Duloxetine Hcl Generic 130 50 $3,461
Leflunomide Generic 93 42 $5,957
Gabapentin Generic 90 35 $1,034
Alendronate Sodium Generic 89 39 $516
Celecoxib Generic 72 38 $3,788
Tramadol Hcl Generic 54 15 $246
Cyclobenzaprine Hcl Generic 53 22 $223

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Allyson Underwood's medical specialty?
Dr. Allyson Underwood practices Family Nurse Practitioner in Marietta, GA.
Where does Dr. Allyson Underwood practice?
Dr. Allyson Underwood practices at 700 Church St Ne, Marietta, GA 300607220. Office phone: 7704201690.
What is Dr. Allyson Underwood's NPI?
Dr. Allyson Underwood's National Provider Identifier (NPI) is 1639302250, issued by NPPES.
Does Dr. Allyson Underwood accept Medicare assignment?
Yes. Dr. Allyson Underwood accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allyson Underwood commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection of drug or substance under skin or into muscle (HCPCS 96372); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.